1. ADES, R., 1999, ProblemH2/H∞-Approximate solutions through basis expansion. Doctoral Thesis, Electrical Engineering Department, PUC-Rio, Rio de Janeiro, Brasil (in Portuguese).
2. Balakrishnan, V., 1976,Applied Functional Analysis(Berlin: Springer Verlag).
3. Bernstein, D. S., and Haddad, W. M., 1989, LQG control with anH∞performance bound: a Riccati equation approach.IEEE Transactions on Automatic Control,34, 293–305.
4. Bertsekas, D. P., 1995,Nonlinear Programming(New York: Athena Scientific).
5. Bonnans, J. F., Gilbert, J. C, Lemaréchal, C, and Sagastizábal, C, 1997,Optimisation Numérique—Aspects théoriques et pratiques(Berlin: Springer-Verlag).